Buenos Aires Tetra

Hyphessobrycon anisitsi

Buenos Aires Tetra is a middle-to-top swimmer. Keep in a school of 10+.

Semi-AggressiveMiddle to top swimmerKeep in a school of 10+Beginner

Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
≤ 2.8" (≤ 7 cm)
Aquarium size
21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
Care level
Beginner
Temperament
Semi-Aggressive
Swimming zone
Middle to top swimmer
Temperature
63–82°F (17–28°C)
pH
5.8–8.5
GH
2–35 dGH
Diet
Omnivore
Lifespan
up to 10 years
Group behavior
Keep in a school of 10+

Care requirements

Care level: Beginner.

Lifespan: up to 10 years.

Aquarium size and space needs

Minimum aquarium size: 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 17–28 °C, pH 5.8–8.5, GH 2–35 dGH.

Temperament and compatibility

Buenos Aires Tetra needs careful companion choice because it can be territorial or semi-aggressive.

Keep in a school of 10+.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding. Keep in a school of 10+.

Feeding

As an omnivore, Buenos Aires Tetra should receive a varied diet rather than one repeated food type.

Before adding this fish

  • Plan for an aquarium of 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length.
  • Make room for its social group.
  • Choose other fish carefully around this temperament.
  • Keep in a school of 10+.
  • Offer a varied diet that matches this species.

Natural habitat and origin

Origin: Argentina, Paraguay, Brazil.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Black Heart Tetra Hyphessobrycon copelandi Same genus Same family Similar care level Beginner – Intermediate ≤ 2" (≤ 5 cm) 75–82°F (24–28°C) Black Line Tetra Hyphessobrycon scholzei Same genus Same family Similar care level Beginner – Intermediate ≤ 2" (≤ 5 cm) 72–81°F (22–27°C) Black Neon Tetra Hyphessobrycon herbertaxelrodi Same genus Same family Similar care level Beginner – Intermediate ≤ 1.6" (≤ 4 cm) 68–79°F (20–26°C) Black Phantom Tetra Hyphessobrycon megalopterus Same genus Same family Similar care level Beginner – Intermediate ≤ 1.4" (≤ 3.5 cm) 72–81°F (22–27°C) Bleeding Blue Tetra Hyphessobrycon margitae Same genus Same family Similar care level Beginner – Intermediate ≤ 2" (≤ 5 cm) 73–79°F (23–26°C) Blueberry Tetra Hyphessobrycon wadai Same genus Same family Similar care level Beginner – Intermediate ≤ 1" (≤ 2.5 cm) 68–79°F (20–26°C)

FAQ

How large does Buenos Aires Tetra get?

Buenos Aires Tetra reaches ≤ 2.8" (≤ 7 cm).

What aquarium size does Buenos Aires Tetra need?

Use an aquarium of at least 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length.

Is Buenos Aires Tetra peaceful?

Buenos Aires Tetra needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.

What temperature is suitable for Buenos Aires Tetra?

Keep it between 17 to 28 °C.

Should Buenos Aires Tetra be kept alone or in a group?

Buenos Aires Tetra: Keep in a school of 10+.

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